and Paris Lenon. On October 21, 2012 Acho recorded four combined tackles, deflected a pass, and made his first career interception during a 21–14 loss at the Minnesota Vikings. Acho made his first career interception off a pass by Vikings' quarterback Christian Ponder, that was originally intended for running back Adrian Peterson, in the second quarter. In Week 14, he collected a season-high seven combined tackles in the Cardinals' 58–0 loss at the Seattle Seahawks. He started in all 16 games in 2012 and recorded a career-high 48 combined tackles (35 solo), four sacks, three pass deflections, and two interceptions. 2013 On January 8, 2013, the Arizona Cardinals fired head coach Ken Whisenhunt after they finished with a 5–11 record. Defensive coordinator Todd Bowles held a competition for the jobs as the starting outside linebackers between Acho, O'Brien Schofield, Lorenzo Alexander, and Alex Okafor. Head coach Bruce Arians named Acho and Lorenzo Alexander the starting outside linebackers to start the regular season, along with inside linebackers Karlos Dansby and Jasper Brinkley. He started in the Arizona Cardinals' season-opener at the St. Louis Rams and collected a season-high two solo tackles and forced a fumble in their 27–25 loss. In Week 3, Acho made two solo tackles and a sack before exiting the Cardinals' 31–7 loss at the New Orleans Saints in the third quarter due to an ankle injury. On September 23, 2013, the Arizona Cardinals placed Acho on injured reserve after he was diagnosed with a broken left fibula and was scheduled to miss the remainder of the season. He finished the season with five solo tackles, a sack, and a forced fumble in three games and ten starts. 2014 Acho entered training camp slated as a starting outside linebacker and saw competition from Lorenzo Alexander, John Abraham, and Matt Shaughnessy. Head coach Bruce Arians named Acho a backup outside linebacker to begin the regular season, behind John Abraham and Matt Shaughnessy. On September 14, 2014, Acho recorded a solo tackle, broke up a pass, and intercepted a pass by Giants' quarterback Eli Manning during a 25–14 win at the New York Giants in Week 2. In Week 12, he collected a season-high four combined tackles in the Cardinals' 10–3 loss to the Seattle Seahawks. The following week, he tied his season-high of four combined tackles during a 29–18 loss at the Atlanta Falcons in Week 13. He finished